Why Is Arm Holdings plc (ARM) Stock Down -9% Today?

Technical Analysis (Indicators)

Bullish Trend Analysis

The 10-day moving average for ARM crossed bullishly above the 50-day moving average on September 21, 2026. This indicates that the trend has shifted higher and could be considered a buy signal. In 7 of 7 past instances when the 10-day crossed above the 50-day, the stock continued to move higher over the following month. The odds of a continued upward trend are 90%.

Following a +6.16% 3-day Advance, the price is estimated to grow further. Considering data from situations where ARM advanced for three days, in 174 of 202 cases, the price rose further within the following month. The odds of a continued upward trend are 86%.

The Aroon Indicator entered an Uptrend today. In 157 of 169 cases where ARM Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are 90%.

Bearish Trend Analysis

The 10-day RSI Indicator for ARM moved out of overbought territory on September 24, 2026. This could be a bearish sign for the stock. Traders may want to consider selling the stock or buying put options. Tickeron's A.I.dvisor looked at 24 similar instances where the indicator moved out of overbought territory. In 19 of the 24 cases, the stock moved lower in the following days. This puts the odds of a move lower at 79%.

The Stochastic Oscillator may be shifting from an upward trend to a downward trend. In 34 of 44 cases where ARM's Stochastic Oscillator exited the overbought zone, the price fell further within the following month. The odds of a continued downward trend are 77%.

The Momentum Indicator moved below the 0 level on October 05, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on ARM as a result. In 36 of 49 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 73%.

The Moving Average Convergence Divergence Histogram (MACD) for ARM turned negative on October 07, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 27 similar instances when the indicator turned negative. In 22 of the 27 cases the stock turned lower in the days that followed. This puts the odds of success at 81%.

Following a 3-day decline, the stock is projected to fall further. Considering past instances where ARM declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 80%.

ARM broke above its upper Bollinger Band on September 21, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.

Fundamental Analysis (Ratings)

The Tickeron PE Growth Rating for this company is 15 (best 1 - 100 worst), pointing to outstanding earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.

The Tickeron Price Growth Rating for this company is 36 (best 1 - 100 worst), indicating steady price growth. ARM’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.

The Tickeron SMR rating for this company is 60 (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.

The Tickeron Valuation Rating of 93 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: ARM's P/B Ratio (35.088) is very high in comparison to the industry average of (7.975). P/E Ratio (289.112) is within average values for comparable stocks, (165.532). Projected Growth (PEG Ratio) (2.327) is also within normal values, averaging (3.761). Dividend Yield (0.000) settles around the average of (0.007) among similar stocks. P/S Ratio (50.761) is also within normal values, averaging (45.794).

The Tickeron Profit vs. Risk Rating rating for this company is 100 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. ARM’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 71, placing this stock worse than average.